Find y '.y = (5x3 + 6)(3x7 - 7)

A. 150x9 + 126x6 - 105x
B. 150x9 + 126x6 - 105x2
C. 20x9 + 126x6 - 105x2
D. 20x9 + 126x6 - 105x


Answer: B

Mathematics

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Find the center of mass of the wire that lies along the curve r and has density ?.r(t) = (6 cos 3t)i +(6 sin 3t) j + 18tk, 0 ? t ? 2?; ?(x, y, z) = 1(1 + sin 3t cos 3t)

A.
B.
C.
D.

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Find the smallest value of N that will make the inequality hold for all n > N. < 10-3

A. 9907 B. 9891 C. 9883 D. 9899

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Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = x2 + 18x + 71

A. maximum at (0, -9) B. minimum at (-9, -10) C. maximum at (-10, -9) D. minimum at (-10, 0)

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The graph of the polynomial f(x) is shown in the figure. Estimate the zeros and state whether their multiplicities are odd or even.

A. -3 (odd), - (even), 2 (odd)
B. -3 (odd), - (odd), 2 (even)
C. -3 (even), - (even), 2 (odd)
D. -3 (even), - (odd), 2 (even)

Mathematics